Starting in the late 1970s and. continuing for decades, an increasing amount of the. protective layer of stratospheric ozone above Antarctica. would disappear during late September and October, cre-. ating what is popularly known as the ozone hole.
A battalion is a military unit. The use of the term battalion varies by nationality and branch of service. Typically a battalion consists of 300 to 800 soldiers and is divided into a number of companies. A battalion is typically commanded by a lieutenant colonel. In some countries the word battalion is associated with the infantry. The term was first used in Italian as battaglione no later than the 16th century.
In a British infantry battalion there are 3 rifle companies, 1 support company, 1 HQ company. Each rifle company is split into 3 platoons, and a HQ element. Each platoon is then split into 3 Sections of 8 men. Thee platoon is led by the platoon commander which is normally a 2nd lieutenant or lieutenant and a platoon sergeant.